Display menu

calculatorpp/res/values/text_strings.xml

@@ -131,6 +131,7 @@
 	<string name="c_empty_var_error">Unable to create empty constant!</string>
 	<string name="c_not_valid_result">Current result is not valid!</string>
 
+	<string name="c_convert">Convert to…</string>
 	<string name="c_plot_graph">Graph</string>
 	<string name="c_min_x_value">From</string>
 	<string name="c_max_x_value">To</string>

calculatorpp/src/main/java/org/solovyev/android/calculator/CalculatorDisplay.java

@@ -13,6 +13,7 @@ import android.util.Log;
 import jscl.math.Generic;
 import jscl.math.function.Constant;
 import jscl.math.function.IConstant;
+import jscl.math.numeric.Numeric;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.solovyev.android.calculator.jscl.JsclOperation;
@@ -20,8 +21,10 @@ import org.solovyev.android.calculator.model.CalculatorEngine;
 import org.solovyev.android.calculator.model.CalculatorParseException;
 import org.solovyev.android.calculator.model.TextProcessor;
 import org.solovyev.android.calculator.view.TextHighlighter;
+import org.solovyev.android.calculator.view.UnitsConverter;
 import org.solovyev.android.menu.AMenuItem;
 import org.solovyev.android.view.AutoResizeTextView;
+import org.solovyev.common.utils.CollectionsUtils;
 
 import java.util.HashSet;
 import java.util.Set;
@@ -33,24 +36,37 @@ import java.util.Set;
  */
 public class CalculatorDisplay extends AutoResizeTextView implements ICalculatorDisplay{
 
-	public static enum Menu implements AMenuItem<CalculatorDisplay> {
+	public static enum MenuItem implements AMenuItem<CalculatorDisplay> {
-		to_bin(0) {
+
+        copy(R.string.c_copy) {
             @Override
             public void doAction(@NotNull CalculatorDisplay data, @NotNull Context context) {
-				//To change body of implemented methods use File | Settings | File Templates.
+                CalculatorModel.copyResult(context, data);
+            }
+        },
+
+        convert(R.string.c_convert) {
+            @Override
+            public void doAction(@NotNull CalculatorDisplay data, @NotNull Context context) {
+                // todo serso: continue
+                new UnitsConverter();
             }
 
             @Override
             protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
-				return false;
+                return operation == JsclOperation.numeric && generic.getConstants().isEmpty();
             }
         },
 
-		plot(R.string.c_plot_graph) {
+		plot(R.string.c_plot) {
             @Override
             public void doAction(@NotNull CalculatorDisplay data, @NotNull Context context) {
+                final Generic generic = data.getGenericResult();
+                assert generic != null;
 
-				//To change body of implemented methods use File | Settings | File Templates.
+                final Constant constant = CollectionsUtils.getFirstCollectionElement(getNotSystemConstants(generic));
+                assert constant != null;
+                CalculatorActivityLauncher.plotGraph(context, generic, constant);
             }
 
 			@Override
@@ -58,7 +74,18 @@ public class CalculatorDisplay extends AutoResizeTextView implements ICalculator
 				boolean result = false;
 
 				if (operation == JsclOperation.simplify) {
+                    if (getNotSystemConstants(generic).size() == 1) {
+						result = true;
+					}
+				}
+
+				return result;
+			}
+
+            @NotNull
+            private Set<Constant> getNotSystemConstants(@NotNull Generic generic) {
                 final Set<Constant> notSystemConstants = new HashSet<Constant>();
+
                 for (Constant constant : generic.getConstants()) {
                     IConstant var = CalculatorEngine.instance.getVarsRegistry().get(constant.getName());
                     if (var != null && !var.isSystem() && !var.isDefined()) {
@@ -66,18 +93,13 @@ public class CalculatorDisplay extends AutoResizeTextView implements ICalculator
                     }
                 }
 
-					if (notSystemConstants.size() == 1) {
+                return notSystemConstants;
-						result = true;
-					}
-				}
-
-				return result;
             }
         };
 
 		private final int captionId;
 
-		Menu(int captionId) {
+		MenuItem(int captionId) {
 			this.captionId = captionId;
 		}
 

calculatorpp/src/main/java/org/solovyev/android/calculator/CalculatorModel.java

@@ -17,13 +17,9 @@ import android.view.View;
 import android.widget.EditText;
 import android.widget.TextView;
 import android.widget.Toast;
-import jscl.math.Generic;
-import jscl.math.function.Constant;
-import jscl.math.function.IConstant;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.solovyev.android.CursorControl;
-import org.solovyev.android.history.HistoryControl;
 import org.solovyev.android.calculator.history.CalculatorHistory;
 import org.solovyev.android.calculator.history.CalculatorHistoryState;
 import org.solovyev.android.calculator.history.TextViewEditorAdapter;
@@ -32,16 +28,16 @@ import org.solovyev.android.calculator.math.MathType;
 import org.solovyev.android.calculator.model.CalculatorEngine;
 import org.solovyev.android.calculator.model.CalculatorEvalException;
 import org.solovyev.android.calculator.model.CalculatorParseException;
+import org.solovyev.android.history.HistoryControl;
 import org.solovyev.android.menu.AMenuBuilder;
-import org.solovyev.android.menu.AMenuItem;
+import org.solovyev.android.menu.MenuImpl;
 import org.solovyev.common.msg.Message;
-import org.solovyev.common.utils.CollectionsUtils;
 import org.solovyev.common.utils.MutableObject;
 import org.solovyev.common.utils.StringUtils;
 import org.solovyev.common.utils.history.HistoryAction;
 
-import java.util.HashSet;
+import java.util.ArrayList;
-import java.util.Set;
+import java.util.List;
 
 /**
  * User: serso
@@ -389,40 +385,15 @@ public enum CalculatorModel implements CursorControl, HistoryControl<CalculatorH
 		public void onClick(View v) {
             if (v instanceof CalculatorDisplay) {
                 final CalculatorDisplay cd = (CalculatorDisplay) v;
-				if (cd.isValid()) {
-					switch (cd.getJsclOperation()) {
-						case simplify:
-							final Generic genericResult = cd.getGenericResult();
-							if ( genericResult != null ) {
-								final Set<Constant> notSystemConstants = new HashSet<Constant>();
-								for (Constant constant : genericResult.getConstants()) {
-									IConstant var = CalculatorEngine.instance.getVarsRegistry().get(constant.getName());
-									if (var != null && !var.isSystem() && !var.isDefined()) {
-										notSystemConstants.add(constant);
-									}
-								}
 
-								if ( notSystemConstants.size() > 0 ) {
+                if (cd.isValid()) {
-									if (notSystemConstants.size() > 1) {
+                    final List<CalculatorDisplay.MenuItem> filteredMenuItems = new ArrayList<CalculatorDisplay.MenuItem>(CalculatorDisplay.MenuItem.values().length);
-										copyResult(activity, cd);
+                    for (CalculatorDisplay.MenuItem menuItem : CalculatorDisplay.MenuItem.values()) {
-									} else {
+                        if (menuItem.isItemVisible(cd)) {
-										final AMenuBuilder<CalculatorDisplayMenuItem, CalculatorDisplayMenuData> menuBuilder = AMenuBuilder.newInstance(activity, CalculatorDisplayMenuItem.class);
+                            filteredMenuItems.add(menuItem);
-										menuBuilder.create(new CalculatorDisplayMenuData(cd, genericResult, notSystemConstants)).show();
                         }
-								} else {
-									copyResult(activity, cd);
-								}
-							} else {
-								copyResult(activity, cd);
-							}
-							break;
-						case elementary:
-							copyResult(activity, cd);
-							break;
-						case numeric:
-							copyResult(activity, cd);
-							break;
                     }
+                    AMenuBuilder.newInstance(activity, MenuImpl.newInstance(filteredMenuItems)).create(cd).show();
                 } else {
                     final String errorMessage = cd.getErrorMessage();
                     if (errorMessage != null) {
@@ -432,66 +403,4 @@ public enum CalculatorModel implements CursorControl, HistoryControl<CalculatorH
             }
         }
     }
-
-	private static class CalculatorDisplayMenuData {
-
-		@NotNull
-		private final CalculatorDisplay display;
-
-		@NotNull
-		private final Generic result;
-
-		@NotNull
-		private final Set<Constant> notSystemConstants;
-
-		private CalculatorDisplayMenuData(@NotNull CalculatorDisplay display, @NotNull Generic result, @NotNull Set<Constant> notSystemConstants) {
-			this.display = display;
-			this.result = result;
-			this.notSystemConstants = notSystemConstants;
-		}
-
-		@NotNull
-		public CalculatorDisplay getDisplay() {
-			return display;
-		}
-
-		@NotNull
-		public Generic getResult() {
-			return result;
-		}
-
-		@NotNull
-		public Set<Constant> getNotSystemConstants() {
-			return notSystemConstants;
-		}
-	}
-
-	private static enum CalculatorDisplayMenuItem implements AMenuItem<CalculatorDisplayMenuData> {
-		plot(R.string.c_plot){
-			@Override
-			public void doAction(@NotNull CalculatorDisplayMenuData data, @NotNull Context context) {
-				final Constant constant = CollectionsUtils.getFirstCollectionElement(data.getNotSystemConstants());
-				assert constant != null;
-				CalculatorActivityLauncher.plotGraph(context, data.getResult(), constant);
-			}
-		},
-		copy(R.string.c_copy){
-			@Override
-			public void doAction(@NotNull CalculatorDisplayMenuData data, @NotNull Context context) {
-				copyResult(context, data.getDisplay());
-			}
-		};
-
-		private final int captionId;
-
-		CalculatorDisplayMenuItem(@NotNull int captionId) {
-			this.captionId = captionId;
-		}
-
-		@NotNull
-		@Override
-		public String getCaption(@NotNull Context context) {
-			return context.getString(captionId);
-		}
-	}
 }

calculatorpp/src/main/java/org/solovyev/android/calculator/about/CalculatorReleaseNotesActivity.java

@@ -8,6 +8,7 @@ package org.solovyev.android.calculator.about;
 
 import android.app.Activity;
 import android.content.Context;
+import android.content.res.Resources;
 import android.os.Bundle;
 import android.text.Html;
 import android.text.method.LinkMovementMethod;
@@ -52,9 +53,11 @@ public class CalculatorReleaseNotesActivity extends Activity {
 		final String releaseNotesForTitle = context.getString(R.string.c_release_notes_for_title);
 		final int version = AndroidUtils.getAppVersionCode(context, CalculatorActivity.class.getPackage().getName());
 
+        final TextHelper textHelper = new TextHelper(context.getResources(), R.class.getPackage().getName());
+
 		boolean first = true;
 		for ( int i = version; i >= minVersion; i-- ) {
-			String releaseNotesForVersion = ResourceCache.instance.getCaption("c_release_notes_for_" + i);
+			String releaseNotesForVersion = textHelper.getText("c_release_notes_for_" + i);
 			if (!StringUtils.isEmpty(releaseNotesForVersion)){
 				assert releaseNotesForVersion != null;
 				if ( !first ) {

calculatorpp/src/main/java/org/solovyev/android/calculator/about/TextHelper.java

@@ -0,0 +1,37 @@
+package org.solovyev.android.calculator.about;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.util.Log;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * User: serso
+ * Date: 4/20/12
+ * Time: 3:31 PM
+ */
+public class TextHelper {
+
+    @NotNull
+    public String packageName;
+
+    @NotNull
+    public Resources resources;
+
+    public TextHelper(@NotNull Resources resources, @NotNull String packageName) {
+        this.packageName = packageName;
+        this.resources = resources;
+    }
+
+    @Nullable
+    public String getText(@NotNull String stringName) {
+        final int stringId = this.resources.getIdentifier(stringName, "string", this.packageName);
+        try {
+            return resources.getString(stringId);
+        } catch (Resources.NotFoundException e) {
+            return null;
+        }
+    }
+
+}

calculatorpp/src/main/java/org/solovyev/android/calculator/model/AbstractAndroidMathRegistry.java

@@ -14,6 +14,8 @@ import org.jetbrains.annotations.Nullable;
 import org.simpleframework.xml.Serializer;
 import org.simpleframework.xml.core.Persister;
 import org.solovyev.android.ResourceCache;
+import org.solovyev.android.calculator.R;
+import org.solovyev.android.calculator.about.TextHelper;
 import org.solovyev.common.definitions.IBuilder;
 import org.solovyev.common.math.MathEntity;
 import org.solovyev.common.math.MathRegistry;
@@ -56,7 +58,7 @@ public abstract class AbstractAndroidMathRegistry<T extends MathEntity, P extend
 			stringName = prefix + substitute;
 		}
 
-		return ResourceCache.instance.getCaption(stringName);
+		return new TextHelper(context.getResources(), R.class.getPackage().getName()).getText(stringName);
 	}
 
 	public synchronized void load(@Nullable Context context, @Nullable SharedPreferences preferences) {

calculatorpp/src/main/java/org/solovyev/android/calculator/view/UnitsConverter.java

@@ -0,0 +1,9 @@
+package org.solovyev.android.calculator.view;
+
+/**
+ * User: serso
+ * Date: 4/20/12
+ * Time: 4:50 PM
+ */
+public class UnitsConverter {
+}